Cover of Embers of the Heart

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Zuko and Sokka fanfic from avatar the last airbender. They are in their mid 20s. Zuko is firelord and Sokka is an ambassador and lives in Zukos palace. They are best friends and secretly in love with each other. Both are insanely attractive and have a hard time keeping their eyes off each other. They do everything together. Zuko rarely wears a shirt, as is common for firebenders since they run hotter than others. Zukos hair is long and Sokka loves it. Sokka loves to flirt and occasionally flirts with Zuko.

Chapter 2: The Rules of the Game

The royal cutter Jasmine Dragon cut through the black water with a gentle, relentless rhythm. Inside the captain’s cabin, repurposed for their journey, the air was thick with the scent of salt, old parchment, and the faint, ever-present warmth that emanated from Zuko himself.

A large map of the Western Waters was pinned to the wall, its corners curled with age. Sokka stood before it, his finger tracing a familiar coastline. Zuko, having shed the heavy fur coat and now just in the blue tunic, leaned over his shoulder to study the route, his bare forearm brushing against Sokka’s sleeve. The lantern light flickered, making the shadows of their bodies dance and merge against the map.

“We’ll make port here, at the outfitting station,” Sokka said, his voice quieter than usual in the wooden confines. “Then it’s three days by sled. If the ice is good.”

Zuko only hummed in response. He was staring at the point where Sokka’s finger rested, but his focus was elsewhere. It was on the press of Sokka’s shoulder against his chest, on the way the Fire Nation betrothal necklace—his necklace—glimmered at the base of Sokka’s throat with every swallow. He’d put it there. The thought was a live wire in his mind.

Sokka dropped his hand suddenly and turned. The movement brought them impossibly closer. Zuko didn’t step back. The cabin felt like it was shrinking.

“Right,” Sokka said, blowing out a long breath. He walked to the room’s single, narrow bed and sat heavily on its edge, the frame groaning. He looked up at Zuko, a complicated mix of apology and nerves in his expression. “We should probably… talk. About the details.”

Zuko moved to sit beside him. The mattress dipped, rolling Sokka a fraction of an inch toward him until their thighs were almost touching. The heat between them was a tangible thing. “Okay. Talk.”

Sokka picked at a thread on his pant leg. “So. Northern Tribe betrothals. They’re… kind of a big deal. It’s not just announcing you like someone. It’s a public trial run. A test of compatibility, before the final ceremonies.”

“What kind of test?” Zuko asked, his voice low.

“Well, for starters, there’s the formal sharing of food. Not just eating together. You feed each other. First meal after the announcement. It’s symbolic. Trust, provision, all that.”

Zuko nodded slowly. That seemed manageable. Intimate, but manageable. “Okay. I can do that.”

Sokka glanced at him, then away, his fingers now tapping a restless rhythm on his knee. “Then there’s the… the public displays. They’re important. The community witnesses the bond. So there’s a… a required goodnight kiss. Every night. In front of whoever’s around in the main hall before you retire.”

The word kiss landed in the quiet cabin like a stone in a still pond. Zuko felt the echo of it in his ribs. He kept his face impassive, a skill honed over years on the throne. “I see.”

“And,” Sokka continued, the words coming faster now, as if he needed to get them out before he choked on them, “to prove the bond is sincere and strong, the betrothed couple… they share a sleeping space. At all times. No separate tents on hunting trips, no guest rooms in the family home. One bed. Always. It’s the ultimate test of… harmony.”

The silence that followed was absolute, save for the creak of the ship and the distant groan of the sea. One bed. Always. The narrow cot they were currently sitting on, which suddenly seemed to dominate the entire room.

Zuko stared at the far wall, at the swaying lantern. His mind was a storm. He had imagined proximity. He had not imagined this: a sanctioned, required intimacy, a ritualized version of his deepest, most impossible fantasy. It was a torture so exquisite he couldn’t breathe.

“That’s… specific,” he finally managed, his tone carefully neutral.

Sokka laughed, a sharp, brittle sound. “Yeah. No room for doubt. Or cold feet. Literally.” He risked a look at Zuko, his blue eyes searching the profile of Zuko’s face, the scarred side turned slightly away. “Look, if it’s too much, we can call it off. I can think of something else, tell them we broke it off—”

“No.” The word was out, sharp and final. Zuko turned his head, meeting Sokka’s gaze. His golden eyes were intense, unwavering. “We made a deal. We’ll do it properly. I learn the rules, I follow them.”

Sokka’s throat worked. “You’re sure?”

“I’m sure.” He wasn’t. He was terrified. He was elated. He was going to self-immolate from the inside out. “Feeding, kissing, sleeping. Got it.”

A loud, sudden knock on the cabin door made them both jump. Sokka sprang to his feet as if electrocuted.

The door opened to reveal the ship’s steward, a grizzled old Fire Nation sailor who bowed slightly. “Ambassador. Fire Lord. The captain’s compliments. The main watch is changing for the night. Many of the crew will be in the mess hall briefly if you wished to take some air on deck beforehand.”

It was a routine announcement. But Sokka’s eyes went wide. He looked from the steward to Zuko, panic and a wild, defiant resolve flashing across his face.

The test was now. Not in the North. Here.

Sokka stepped forward, his movement deliberate. He stopped in front of Zuko, who was still sitting on the bed, looking up at him with a question in his eyes.

“Well,” Sokka said, his voice a little too loud, a performer’s voice. “Time for that goodnight kiss, huh?” He was giving Zuko an out, a chance to demur, to say it could wait.

Zuko understood the out. He ignored it. He stood, closing the small distance Sokka had left between them. He could feel the eyes of the steward at the door, a passive audience of one.

“Yes,” Zuko said, his voice dropping to that serious, private rumble Sokka loved. “It is.”

He didn’t hesitate. He framed Sokka’s face with his hands, his thumbs brushing the high bones of his cheeks. Sokka’s skin was cool beneath his touch. He saw Sokka’s breath catch, saw his blue eyes darken with something that looked like sheer, unvarnished shock.

Zuko bent his head. The first brush of his lips against Sokka’s was a soft, closed-mouth press, chaste and formal. It lasted only three seconds. It was a lightning strike. It was the quiet before the avalanche. He felt the smooth stone of his own necklace, now resting on Sokka’s chest, press between them.

He pulled back, his hands lingering for a heartbeat before falling to his sides. His own pulse was a thunder in his ears.

Sokka was utterly still, his lips slightly parted, his eyes wide. A faint, rosy flush had spread across his cheeks and down his neck. He looked utterly, completely wrecked.

The steward, tactfully looking at the floor, murmured, “Rest well, my lords,” and pulled the door shut with a firm click.

The sound seemed to snap Sokka back to himself. He blinked, took a shaky step back, and ran a hand through his hair. The cocky ambassador was gone. In his place was someone raw and trembling on the edge of a precipice.

“So,” Sokka whispered, not meeting Zuko’s eyes. “That’s… that’s part one.”

Zuko could only nod. The ghost of Sokka’s mouth on his was a brand. He looked at the single bed, then back at Sokka. The rules were set. The performance had its first, irrevocable scene.

“Get some sleep, Sokka,” Zuko said, his voice rough. He gestured to the cot. “We’ll need to be up early.”

He moved to the small desk, intending to sit in the chair, to give Sokka the bed, to cling to some shred of real propriety.

Sokka watched him for a moment, a war playing out on his face. Then, with a decisive movement, he shucked off his outer tunic and boots. He climbed into the narrow bed, shifting to the side against the wall, and pulled the blanket over himself. He left more than half the space open.

He looked at Zuko, who stood frozen by the chair. The challenge in his eyes was back, but softer now. Quiet.

“The rules are no separate rooms, Zuko,” Sokka said, his voice barely audible over the ship’s sounds. “All times. Means now, too.”

Zuko stared at the empty space on the mattress. It was an abyss. It was a promise. Every instinct screamed to refuse, to protect himself, to flee.

He blew out the lantern.

In the sudden, total darkness, pierced only by thin moonlight from the porthole, he walked to the bed. He lay down on his back, stiff as a board, careful not to let a single part of himself touch Sokka. The cot was so small the heat from Sokka’s body was a line down his side. The ship swayed. His shoulder brushed Sokka’s arm.

Neither moved away.

They lay there in the dark, listening to each other breathe, the weight of the two necklaces between them feeling like the only real things in the world. The journey was long. The rules were clear. And the line between the performance and the truth had just been washed away by the sea.

And the line between the performance and the truth had just been washed away by the sea.

They lay like that for an eternity, two statues on a slab, listening to the ship’s wooden bones groan around them. The cold sea air seeped through the hull, making Sokka shiver subtly under the thin blanket. Zuko’s natural warmth was a furnace just inches away, a taunt.

He stared at the dark ceiling, his mind replaying the brief, shocking pressure of Zuko’s mouth on his. It had been a closed-mouth brush, a formality. It had vaporized every coherent thought in his head. Now, the sheer proximity of Zuko’s body, rigid and parallel to his own, was a different kind of torture.

Zuko was calculating the geometry of believable affection. That first public kiss had been a necessary spark. This shared bed was the sustained burn they had to cultivate. Lying here, frozen in separate space, was a failure in the logic of their own lie. His people were trained to notice deception in the slightest hesitation.

He sat up abruptly, the blanket falling to his waist.

Sokka flinched at the movement. “What’s wrong?”

“This isn’t working,” Zuko said, his voice flat in the dark. He sounded like he was assessing a battle strategy. “No one will believe a newly betrothed couple lies in bed like they’re guarding a disputed border.”

Before Sokka could form a question, Zuko tugged his blue tunic and the undershirt beneath it over his head in one swift motion. He tossed the fabrics toward the foot of the bed where they landed with a soft whisper. The moon from the porthole caught the defined planes of his back, the pale scar tissue, the shift of muscle as he lay back down.

This time, he didn’t lie stiffly on his back. He turned onto his side, facing Sokka. He nudged Sokka’s nearest arm with his forehead, a silent, insistent prompt.

Dumbfounded, Sokka lifted his arm. Zuko slid closer, settling his head on Sokka’s shoulder. He draped his own arm carefully over Sokka’s waist, his hand coming to rest against the dip of Sokka’s spine. Skin met fabric, then the incredible heat of Zuko’s bare torso seeped into Sokka’s side.

Zuko forced his own breathing to even out, to mimic relaxation. The tension in Sokka’s body, however, was a rigid contrast. He was strung as tight as a bow. Zuko’s mouth was close to the skin of Sokka’s neck, where his own necklace rested.

“If you want me to back off I will,” Zuko murmured, the words vibrating against Sokka’s skin. “But it’s the easiest way to get used to touching each other so casually.”

Sokka shook his head once, a sharp movement. He tightened the arm Zuko had nudged, wrapping it around Zuko’s shoulders, his fingers splaying against the hot, scar-smooth skin of Zuko’s back. It felt like claiming. It felt like panic. “N-no, you’re right. This is fine.”

Zuko lifted his head then. Their faces were just inches apart in the shadowy dark. He just stared silently for a few long moments, seemingly deep in thought. His golden eyes were unreadable pools, reflecting slivers of moonlight. The anticipation was agony for Sokka.

When Zuko finally spoke, the words left Sokka breathless.

“You’re tense.” Zuko’s gaze flicked down to Sokka’s mouth, then back up. “Do you want to practice kissing me some more?”

Sokka’s brain short-circuited. He realized Zuko was waiting for an answer and cursed how easily Zuko could send his heart racing into his throat. He felt the stone of Zuko’s necklace, his necklace, cool between their chests.

Sokka’s voice was rough when he finally spoke. “Yes, we should probably practice.” He heard how uncool he sounded, how strained. He grasped for his usual bravado, a lifeline. “Not that I need practice, I’m sort of a pro at it. You sure you’re ready to be wooed?”

Zuko snorted, a soft puff of air against Sokka’s lips. He rolled his eyes, grateful for the lighter mood, for the familiar script of their teasing. It gave him a role to play. He shortened the gap until their lips were almost touching, a hairsbreadth away.

“I’m convinced you’re all talk,” Zuko whispered, the challenge clear. “Prove it.”

Sokka’s answer was to close the final distance.

This kiss was nothing like the first. It wasn’t a chaste, public press. It was a direct response to a dare. Sokka’s mouth moved against Zuko’s with a confidence he didn’t feel, coaxing, questioning. Zuko’s lips parted on a sharp inhale, and the game shifted.

Zuko’s hand fisted lightly in the fabric of Sokka’s shirt at his back, pulling him fractionally closer. The arm under Sokka’s neck curled, his fingers tangling in the hair at Sokka’s nape. It was no longer just practice. It was a discovery. The taste of him, the soft sound he made when Zuko angled his head to deepen the kiss, the way his free hand came up to cradle Zuko’s jaw, his thumb brushing the edge of his scar.

They broke apart, gasping, foreheads pressed together. The world had narrowed to the creak of the ship, the cool air on Zuko’s bare skin, and the frantic, synchronized beat of both their hearts thudding between them.

Sokka’s whisper was ragged. “See? Pro.”

Zuko didn’t laugh. He just looked at him, his eyes dark and searching in the near-dark. His thumb stroked the line of Sokka’s cheekbone. “Again,” he said, and it wasn’t a request. It was a need. “We need to be convincing.”

“Again,” Zuko said, and it wasn’t a request. It was a need. “We need to be convincing.”

He barely finished the sentence before Sokka moved. He rolled, the narrow cot complaining under them, so that he was on his side, propped up on an elbow, and Zuko was lying on his back beneath him, their positions reversed. Zuko made a surprised, sharp noise that Sokka swallowed by pressing their lips together again.

This kiss was a landslide. Zuko bit back a whine as Sokka kissed him against the mattress, all contained force and desperate intent. One of Zuko’s arms wrapped around Sokka’s neck to hold him close while his other hand rested on the dip of Sokka’s waist, fingers pressing into the fabric.

Sokka deepened the kiss, his tongue tracing the seam of Zuko’s lips until they parted. The arm he wasn’t propping himself up with skidded up to Zuko’s hair, finding the loose bun he’d put it in before lying down. He undid the tie with a frantic tug, the dark strands spilling over his fingers and the thin pillow, and tangled his hands in the hair properly.

Sokka was drowning in Zuko—the heat of him, the taste of fire tea and salt, the helpless way his body arched up into the contact. He never wanted to come up for air.

In his fervor, Sokka’s elbow slipped forward a fraction of an inch. The slight shift caused his fingers, threaded deep in Zuko’s hair, to accidentally tug. It was a light, unintentional pull.

The resulting moan that left Zuko was low, guttural, and utterly shattered. It shot straight to Sokka’s dick, a jolt of pure, white-hot electricity. He pulled back as if scalded, leaving both of them gasping, trying to catch their breath in the salty dark.

Sokka was desperately grateful that this new position, with him hovering above, meant Zuko couldn’t feel how profoundly affected he was by that delicious, ruined sound. What did Sokka even do to deserve that? His mind, fogged with lust, replayed the moment. The tug. The moan.

Wait…oh.

Zuko liked his hair pulled.

Sokka wasn’t going to survive this whole ordeal and he knew it.

Sokka wasn’t going to survive this whole ordeal and he knew it. The sound of Zuko’s moan echoed in the cramped darkness, a phantom vibration on his own lips.

He scrambled back so fast he almost tumbled off the narrow cot, his own breath coming in ragged, panicked pulls. The cold air of the cabin hit the wetness on his mouth, a shocking contrast to the heat he’d just been tangled in.

“I-Im sorry, I didn’t mean to…uh…” Sokka stammered, the words tripping over his tongue. He gestured vaguely toward Zuko’s hair, his face burning.

Zuko lay perfectly still on his back, one arm flung over his eyes. The moon from the porthole cut across the tense line of his bare abdomen, the rapid rise and fall of his chest. His face was burning, a flush visible even in the low light. The silence stretched, thick and suffocating.

“Alright…that happened.” Zuko finally said, his voice a strained, gravelly thing. He didn’t move his arm.

Sokka, heart hammering against his ribs, tried to give him space and reassure him. He sat rigidly on his side of the bed, putting as much distance as the tiny berth allowed. “We don’t have to talk about it, we can just forget it happened if you want.”

Zuko finally moved. He lowered his arm from his face. His golden eyes found Sokka’s in the gloom, bright and unreadable. He seemed to be trying to decide how to react, his expression a war between vulnerability and his usual fierce control.

He finally seemed to make up his mind.

In one fluid motion, Zuko reached out, his hand closing around Sokka’s wrist. He pulled, not harshly, but with a firm inevitability that dragged Sokka back down onto the mattress and over him, returning him to his previous position leaning over him. Their faces were close again, Sokka’s arms braced on either side of Zuko’s head.

“No,” Zuko said, his voice low and definitive. “Because then it’s going to be a weird thing. And if we don’t talk about it now, we never will.”

Sokka blinked down at him, trapped by the intensity in his gaze. “Talk about what? My terrible, coordination?”

A faint, desperate smirk touched Zuko’s mouth and vanished. “Tell me something you’re into,” he commanded, his eyes searching Sokka’s. “So we can laugh about it and call it even. That way it’s an inside joke and not just a weird thing between us.”

Sokka blushed at the sudden closeness and the absurd, terrifying request. His mind was a blank, white screen. “Uh…yeah, ok. That sounds fair. Uh…” He trailed off, thinking, scrambling through a mental catalogue that had been utterly obliterated by the last five minutes.

Zuko rolled his eyes, the familiar tease a flimsy shield. “You must be really vanilla if you can’t think of anything.”

“It’s hard to think on the spot!” Sokka huffed, indignant.

Zuko sighed, his chest expanding under Sokka. The fleeting contact was electric. “You’re overthinking it. Just say the first thing that pops in your head.” His voice dropped, serious again, compelling. “What do you like?”

Sokka’s mouth, always his most treacherous organ, ran before his head could catch up.

“You.”

The single syllable hung in the salt-stung air, naked and irreversible.

Both of them froze the moment it slipped out.

Sokka’s eyes went wide with pure horror. He tried to back away, to wrench himself out of the intimate cage of Zuko’s body, to vanish through the hull of the ship. “I didn’t mean—that’s not what I—”

Zuko moved.

It was faster than a thought. He rolled them, a tangle of limbs and gasps, using his leverage and surprise until Sokka was on his back and Zuko was on top, straddling his hips and pinning his wrists firmly to the mattress above his head. The blanket was kicked away, lost. Surprise flashed on Sokka’s face, then something deeper, darker. He opened his mouth to say something, to explain, to deflect.

Zuko cut him off.

“You absolutely do not get to run away after dropping a bomb like that.” His tone left no room for argument. It was the Fire Lord’s voice, layered with a raw, personal urgency that stole the air from Sokka’s lungs.

He was pinned, not just by Zuko’s weight but by the searing gold of his stare. The stone of the Water Tribe necklace rested cool against Zuko’s sternum, a stark contrast to the heat pouring off his skin. Sokka could feel the hard line of Zuko’s thighs against his own, the solid pressure holding him in place.

The pretense was gone. The practice was over. The only thing left in the rocking dark was the truth, finally spoken aloud, and the terrifying, exhilarating question of what Zuko would do with it.

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